| Patents for H04L 27 - Modulated-carrier systems (89,721) |
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| 08/04/2004 | EP1442563A2 Method and system for dsl power saving |
| 08/04/2004 | EP1442549A1 Scattered pilot pattern and channel estimation method for mimo-ofdm systems |
| 08/04/2004 | EP1442545A1 Stfbc coding/decoding apparatus and method in an ofdm mobile communication system |
| 08/04/2004 | EP1442544A2 Apparatus and method for reducing papr in an ofdm mobile communication system |
| 08/04/2004 | EP1393477B1 Signal generator with frequency offset unit in the base band |
| 08/04/2004 | EP0965188B1 Method and apparatus for generating complex four-phase sequences for a cdma communication system |
| 08/04/2004 | EP0824812B1 Digital multicarrier signal and transmission and reception methods therefor |
| 08/04/2004 | EP0804847B1 RECEIVER FOR M-ary FSK SIGNALS |
| 08/04/2004 | CN1518821A Method for reducing signaling overhead in multicarrier systme with dynamic bit allocation and corresponding transmitter/receiver device |
| 08/04/2004 | CN1518820A Phase tracking system |
| 08/04/2004 | CN1518819A Blind detection for mobile radio receivers |
| 08/04/2004 | CN1518813A Efficient multicarrer filter |
| 08/04/2004 | CN1518809A Symbol timing correcting circuit, receiver, symbol timing correction method and demodulation processing method |
| 08/04/2004 | CN1518805A QAM with quantised power |
| 08/04/2004 | CN1518803A Method for multiple access and transmission in point-to-multipoint system on electrical network |
| 08/04/2004 | CN1518792A System for controlling class D amplifier |
| 08/04/2004 | CN1518336A Electronic camera and information equipment and portable information device |
| 08/04/2004 | CN1518308A Tuned circuit with variable amplitude function and integrated circuit for radio communication device |
| 08/04/2004 | CN1518261A Constant frame coding double quadrature modulation and demodulation device |
| 08/04/2004 | CN1518254A Time restoration rule of frequency shift keying correlated receiver and frequency shift keying correlated |
| 08/04/2004 | CN1518253A Orthogonal frequency division multiplexing modem device and method |
| 08/04/2004 | CN1518209A Uncorrelated self-adaptive predistorter |
| 08/04/2004 | CN1160921C Frame structure and frame synchronization of multi-carrier system |
| 08/04/2004 | CN1160895C Method and apparatus for testing digital communication channel |
| 08/04/2004 | CN1160886C Orthogonal frequency-division multiplex receiving apparatus and method |
| 08/03/2004 | US6772378 Dummy error addition circuit |
| 08/03/2004 | US6771976 Radiocommunication apparatus, radiocommunication system, and radiocommunication method |
| 08/03/2004 | US6771940 Multi-channel peak power smoothing |
| 08/03/2004 | US6771770 Hybrid circuit for a broadband modem |
| 08/03/2004 | US6771767 Signal detector with coefficient swapping transform unit |
| 08/03/2004 | US6771721 Method and apparatus for eliminating audio clicks in a radio receiver |
| 08/03/2004 | US6771720 Amplification control scheme for a receiver |
| 08/03/2004 | US6771719 Automatic gain control method and its system |
| 08/03/2004 | US6771718 Method for frequency error estimation |
| 08/03/2004 | US6771715 Demodulator using cordic rotator-based digital phase locked loop for carrier frequency correction |
| 08/03/2004 | US6771714 Timing recovery using the pilot signal in high definition TV |
| 08/03/2004 | US6771713 Data aided carrier phase tracking system for precoded continuous phase modulated signals |
| 08/03/2004 | US6771712 System for extracting a clock signal and a digital data signal from a modulated carrier signal in a receiver |
| 08/03/2004 | US6771711 Digital GMSK filter |
| 08/03/2004 | US6771710 Partial frequency offset digital upconversion |
| 08/03/2004 | US6771709 System and method for direct transmitter self-calibration |
| 08/03/2004 | US6771707 Digital television receiver converting vestigial-sideband signals to double-sideband AM signals before demodulation |
| 08/03/2004 | US6771706 Method and apparatus for utilizing channel state information in a wireless communication system |
| 08/03/2004 | US6771699 Method for rapid carrier-frequency offset acquisition using a periodic training sequence |
| 08/03/2004 | US6771697 Spread spectrum handshake for digital subscriber line telecommunications systems |
| 08/03/2004 | US6771696 Integrated modem and line-isolation circuitry and associated method utilizing a DC termination pin to monitor line voltage |
| 08/03/2004 | US6771695 Low-complexity DMT transceiver |
| 08/03/2004 | US6771667 Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels |
| 08/03/2004 | US6771591 Method and system for processing orthogonal frequency division multiplexed signals |
| 08/03/2004 | US6771590 Communication system clock synchronization techniques |
| 08/03/2004 | CA2230638C Audio file distribution and production system |
| 07/29/2004 | WO2004064347A2 Demodulation of a frequency-modulated reception signal by reproducing the zero crossings on a sequence of parameter values |
| 07/29/2004 | WO2004064345A1 Correlation method for channel estimation for ofdm |
| 07/29/2004 | WO2004064344A1 Channel estimation using the guard interval of a multicarrier signal |
| 07/29/2004 | WO2004064295A2 Pilot transmission schemes for wireless multi-carrier communication systems |
| 07/29/2004 | WO2004064282A2 Method and communications system device for the code-modulated transmission of information |
| 07/29/2004 | WO2004064281A2 Method for transmitting data in a communication system |
| 07/29/2004 | WO2004064278A1 Method for the time- and frequency-domain synchronisation of multiple devices in a transmission system with ofdm modulation |
| 07/29/2004 | WO2004064248A1 Device and method for predistorting an input signal |
| 07/29/2004 | WO2004063763A1 Method and apparatus for performing timing synchronization |
| 07/29/2004 | WO2004054193A3 Method and apparatus for scrambling based peak-to-average power ratio reduction without side information |
| 07/29/2004 | WO2004049706A3 A carrier tracking loop lock detector |
| 07/29/2004 | WO2004038986A3 Closed-loop rate control for a multi-channel communication system |
| 07/29/2004 | US20040148116 Estimating a plurality of tones in an input signal |
| 07/29/2004 | US20040146161 Superposition of data over voice |
| 07/29/2004 | US20040146124 Algorithm for timing recovery in a fsk correlation receiver and fsk correlation receiver therewith |
| 07/29/2004 | US20040146123 Equalization in orthogonal frequency domain multiplexing |
| 07/29/2004 | US20040146122 Method and apparatus for frequency offset compensation |
| 07/29/2004 | US20040146121 Automatic burst mode I/Q gain and I/Q phase calibration using packet based-fixed correction coefficients |
| 07/29/2004 | US20040146120 Receiver having automatic burst mode I/Q gain and phase balance |
| 07/29/2004 | US20040146118 Method and apparatus for RF carrier suppression in a multi-modulator transmitter |
| 07/29/2004 | US20040146117 Reduced complexity channel estimation for wireless communication systems |
| 07/29/2004 | US20040146116 Apparatus for constant amplitude coded bi-orthogonal demodulation |
| 07/29/2004 | US20040146115 Method and apparatus for protecting and transmitting the side information related to peak-to-average power ratio reduction in a multicarrier system |
| 07/29/2004 | US20040146096 Method for adaptive hybrid selection during ADSL modem training |
| 07/29/2004 | US20040146090 Digital baseband modulation apparatus and demodulation apparatus |
| 07/29/2004 | US20040146037 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 07/29/2004 | US20040146020 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 07/29/2004 | US20040146018 Multi-mode terminal in a wireless MIMO system |
| 07/29/2004 | US20040146014 Method and constructions for space-time codes for PSK constellations for spatial diversity in multiple-element antenna systems |
| 07/29/2004 | US20040146003 Method for frame and frequency synchronization of an ofdm signal and method for transmitting an ofdm signal |
| 07/29/2004 | US20040145798 Multichannel interferometer with phase generated carrier demodulation and quadrature error correction |
| 07/29/2004 | US20040145775 Hierarchical data collection network supporting packetized voice communications among wireless terminals and telephones |
| 07/29/2004 | US20040145452 Receiving/backscattering arrangement and method with two modulation modes for wireless data transmission as well as modulation arrangement therefor |
| 07/29/2004 | DE10300938A1 Signal converter circuit for processing analogue frequency- or phase-modulated reception signal for limiter-receiver structure |
| 07/29/2004 | DE10300707A1 Code-modulated information transmission method for radio communications system has information coded via 2-dimensional code and assigned to sub-resoirces of 2 orthogonal resources |
| 07/29/2004 | DE10300267A1 Demodulation eines frequenzmodulierten Empfangssignals durch Abbilden der Nulldurchgänge auf eine Folge von Parameterwerten Demodulating a frequency-modulated reception signal by mapping the zero crossings in a sequence of parameter values |
| 07/29/2004 | DE102004002239A1 Unkorrelierter adaptiver Vorverzerrer Uncorrelated adaptive predistorter |
| 07/29/2004 | DE10197172T5 Zeit- und bandbreitenskalierbares Schlitzformat für mobile Datensysteme Time and bandwidth-scalable slot format for mobile data systems |
| 07/29/2004 | CA2512920A1 Method for the time- and frequency-domain synchronisation of multiple devices in a transmission system with ofdm modulation |
| 07/29/2004 | CA2512551A1 Pilot transmission schemes for wireless multi-carrier communication systems |
| 07/28/2004 | EP1441484A2 Reception and equalisation of multicarrier signals |
| 07/28/2004 | EP1441457A1 Direct conversion receiver |
| 07/28/2004 | EP1191713B1 Communication terminal apparatus and demodulation method |
| 07/28/2004 | EP1177602B1 Method for correcting dc offsets in a receiver |
| 07/28/2004 | EP1072105B1 Wireless local area network spread spectrum transceiver with multipath interference mitigation |
| 07/28/2004 | EP0944979B1 Method for digital transmission or radio broadcast |
| 07/28/2004 | CN1516946A Frequency correction with symmetrical phase adjustment in each OFDM symbol |
| 07/28/2004 | CN1516945A Data communication control system, transmitter and transmitting method |
| 07/28/2004 | CN1516943A Method and apparatus for ultra-wideband (UWB) radio utilizing MEMS filtering for echo cancellation |